Truck grille



FIG. 1 is a right, front perspective view of a truck grille showing our new design, it may be understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a left side view thereof and is a mirror image of a right side view;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a truck grille, as shown and described. 